SINGER-Iron-On Patches. This dark assortment of 100% cotton patches is ideal for mending and decorating shirts, jeans, skirts, jackets and more. This package contains ten 2x3 inch iron-on patches in navy, dark green, brown, tan and black (two of each). Low heat for permanent press and other fabrics. Use dry iron only-no steam. Washable and super sealing. Not recommended for use on nylon, rayon or fabrics made of monofilament polyesters. Made in USA.